Added function to get internal buffer pointer to the library

Signed-off-by: Miguel Gomez <magomez@igalia.com>

Added function to get internal buffer pointer to the library
Signed-off-by: Miguel Gomez <magomez@igalia.com>
b29fd91d · Miguel Gómez Sexto · d540ccbb · b29fd91d · b29fd91d
Commit b29fd91d authored Sep 28, 2012 by Miguel Gómez Sexto
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libtdc.c lib/libtdc.c +5 -0

libtdc.h lib/libtdc.h +2 -0

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--- a/lib/libtdc.c
+++ b/lib/libtdc.c
@@ -262,6 +262,11 @@ int tdc_get_active_channels(struct tdc_board *b, uint32_t *config)
 	return __tdc_sysfs_get(b, "input_enable", config);
 }

+int tdc_get_circular_buffer_pointer(struct tdc_board *b, uint32_t *ptr)
+{
+	return __tdc_sysfs_get(b, "get_wr_pointer", ptr);
+}
+
 static int __tdc_valid_channel(struct tdc_board *b, int chan)
 {
 	if (chan < 0 || chan > 4) {

--- a/lib/libtdc.h
+++ b/lib/libtdc.h
@@ -49,6 +49,8 @@ extern int tdc_get_timestamp_threshold(struct tdc_board *b, uint32_t *thres);
 extern int tdc_set_active_channels(struct tdc_board *b, uint32_t config);
 extern int tdc_get_active_channels(struct tdc_board *b, uint32_t *config);

+extern int tdc_get_circular_buffer_ptr(struct tdc_board *b, uint32_t *ptr);
+
 extern int tdc_read(struct tdc_board *b, int chan, struct tdc_time *t,
 		    int n, int flags);
 extern int tdc_fread(struct tdc_board *b, int chan, struct tdc_time *t, int n);